Is a media container format designed for streaming over the Internet. Used on popular video hosting sites. Video is usually stored in h.263 and h.264 formats, audio is a in MP3 or other less popular codecs. FLV-file format is a bit stream, which provides high-quality image even at low bit rates.
Is a multimedia format container which is widely used for packaging video and audio streams, posters, subtitles and metadata. Exists support for streaming. Metadata is sent with the file, which contains all information necessary for broadcasting. Exists possibility to pack multiple streams simultaneously and MPEG-4 standard, which belongs to the format, supports a reasonable amount of data formats.